Otobong Nkanga's first monograph, Luster and Lucre, charts an intensely productive period from 2013 to 2016, which includes exhibitions at the 8th Berlin Biennale; Portikus, Frankfurt am Main; KADIST, Paris; and M HKA, Antwerp. Its title encapsulates the complex concerns that underpin these shows: "luster," the illustrious shining of materials; and "lucre," profits and gains. With the mineral mica as her starting point, Nkanga's research...